EP4109833A4 - METHOD AND DEVICE FOR SIGNAL PRE-COMPENSATION - Google Patents
METHOD AND DEVICE FOR SIGNAL PRE-COMPENSATION Download PDFInfo
- Publication number
- EP4109833A4 EP4109833A4 EP21768053.7A EP21768053A EP4109833A4 EP 4109833 A4 EP4109833 A4 EP 4109833A4 EP 21768053 A EP21768053 A EP 21768053A EP 4109833 A4 EP4109833 A4 EP 4109833A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- compensation method
- signal pre
- signal
- compensation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/58—Compensation for non-linear transmitter output
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/2543—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to fibre non-linearities, e.g. Kerr effect
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
- H04B10/616—Details of the electronic signal processing in coherent optical receivers
- H04B10/6164—Estimation or correction of the frequency offset between the received optical signal and the optical local oscillator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
- H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
- H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2020110701 | 2020-03-13 | ||
PCT/CN2021/078629 WO2021179953A1 (zh) | 2020-03-13 | 2021-03-02 | 一种信号预补偿的方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4109833A1 EP4109833A1 (en) | 2022-12-28 |
EP4109833A4 true EP4109833A4 (en) | 2023-07-26 |
Family
ID=77671204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21768053.7A Pending EP4109833A4 (en) | 2020-03-13 | 2021-03-02 | METHOD AND DEVICE FOR SIGNAL PRE-COMPENSATION |
Country Status (4)
Country | Link |
---|---|
US (1) | US12088349B2 (zh) |
EP (1) | EP4109833A4 (zh) |
CN (1) | CN113796052B (zh) |
WO (1) | WO2021179953A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114401045B (zh) * | 2022-01-07 | 2024-03-12 | 深圳创维-Rgb电子有限公司 | 应用于可见光通信的模拟预失真系统及方法 |
CN114326924B (zh) * | 2022-03-03 | 2022-06-17 | 阿里巴巴达摩院(杭州)科技有限公司 | 信号处理方法和存储介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2923442A1 (en) * | 2012-11-20 | 2015-09-30 | Telefonaktiebolaget L M Ericsson (publ) | Systems and methods for band-limited adaptation for pa linearization |
EP3000175A1 (en) * | 2013-05-20 | 2016-03-30 | Analog Devices, Inc. | Relaxed digitization system linearization |
US20160352427A1 (en) * | 2015-05-26 | 2016-12-01 | Maxlinear, Inc. | Transmit optical sub-assembly with local feedback |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20010443A1 (it) * | 2001-03-02 | 2002-09-02 | Marconi Comm Spa | Metodo e apparati per la rilevazione e compensazione di parametri della pmd in segnali trasmessi lungo collegamenti a fibre ottiche e sistem |
US7756421B2 (en) * | 2002-10-03 | 2010-07-13 | Ciena Corporation | Electrical domain compensation of non-linear effects in an optical communications system |
EP1372275B1 (en) * | 2002-12-05 | 2007-06-06 | Agilent Technologies, Inc. | Controlling an optical source using a beat frequency |
CN101675584B (zh) * | 2007-03-30 | 2012-10-03 | 北电网络有限公司 | 放大器预失真系统和方法 |
JP5834804B2 (ja) | 2011-11-16 | 2015-12-24 | 富士通株式会社 | 狭帯域のフィードバック経路を有する適応的リニアライザ |
US8536943B2 (en) | 2012-02-03 | 2013-09-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Selective narrowband feedback for a digital predistorter |
US9612902B2 (en) | 2012-03-12 | 2017-04-04 | Tvu Networks Corporation | Methods and apparatus for maximum utilization of a dynamic varying digital data channel |
CN103098392B (zh) * | 2012-10-22 | 2016-10-26 | 华为技术有限公司 | 一种电光调制装置、方法、发射机及电光调制系统 |
CN103401513B (zh) * | 2013-08-02 | 2016-02-10 | 武汉邮电科学研究院 | 一种功率放大器的数字预失真处理方法和装置 |
JP6661263B2 (ja) * | 2014-09-03 | 2020-03-11 | 富士通株式会社 | 光伝送装置、非線形歪み補償方法及び非線形歪み予等化方法 |
CN107306241A (zh) * | 2016-04-18 | 2017-10-31 | 中兴通讯股份有限公司 | 一种信号预补偿的方法、装置以及信号发射机 |
WO2018006423A1 (zh) | 2016-07-08 | 2018-01-11 | 华为技术有限公司 | 数字预失真处理装置 |
JP6860274B2 (ja) | 2016-11-29 | 2021-04-14 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | デジタルプリディストーション処理方法、装置、無線送受信装置および基地局 |
US10341022B2 (en) * | 2016-12-28 | 2019-07-02 | Zte Corporation | Optical pulse amplitude modulation transmission using digital pre-compensation |
CN107911149B (zh) * | 2017-12-26 | 2020-12-29 | 武汉邮电科学研究院 | 一种相干光通信中的多普勒频移补偿系统和补偿方法 |
-
2021
- 2021-03-02 EP EP21768053.7A patent/EP4109833A4/en active Pending
- 2021-03-02 WO PCT/CN2021/078629 patent/WO2021179953A1/zh unknown
- 2021-03-02 CN CN202180003235.4A patent/CN113796052B/zh active Active
-
2022
- 2022-09-09 US US17/941,360 patent/US12088349B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2923442A1 (en) * | 2012-11-20 | 2015-09-30 | Telefonaktiebolaget L M Ericsson (publ) | Systems and methods for band-limited adaptation for pa linearization |
EP3000175A1 (en) * | 2013-05-20 | 2016-03-30 | Analog Devices, Inc. | Relaxed digitization system linearization |
US20160352427A1 (en) * | 2015-05-26 | 2016-12-01 | Maxlinear, Inc. | Transmit optical sub-assembly with local feedback |
Also Published As
Publication number | Publication date |
---|---|
EP4109833A1 (en) | 2022-12-28 |
US12088349B2 (en) | 2024-09-10 |
US20230006743A1 (en) | 2023-01-05 |
CN113796052A (zh) | 2021-12-14 |
WO2021179953A1 (zh) | 2021-09-16 |
CN113796052B (zh) | 2022-09-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3923651A4 (en) | Signal transmission method and apparatus | |
EP3923644A4 (en) | SIGNAL TRANSMISSION METHOD AND APPARATUS | |
EP3996412A4 (en) | SIGNAL TRANSMISSION METHOD AND APPARATUS | |
EP4191928A4 (en) | SIGNAL TRANSMISSION METHOD AND APPARATUS | |
EP4080914A4 (en) | CONFIGURATION ACTIVATION METHOD AND DEVICE | |
EP4113853A4 (en) | SIGNAL TRANSMISSION METHOD AND DEVICE | |
EP3876489A4 (en) | Signal transmission method and apparatus | |
EP4256764A4 (en) | METHOD FOR SIGNAL TRANSMISSION AND DEVICE THEREFOR | |
EP4236536A4 (en) | SIGNAL TRANSMISSION METHOD AND DEVICE | |
EP4109833A4 (en) | METHOD AND DEVICE FOR SIGNAL PRE-COMPENSATION | |
EP3905574A4 (en) | SIGNAL TRANSMISSION METHOD AND APPARATUS | |
EP4104460A4 (en) | BEAM-BASED TRANSMISSION METHOD AND APPARATUS FOR SIDELINK | |
EP4144151A4 (en) | DOPPLER PRE-COMPENSATION METHOD AND APPARATUS | |
EP4207896A4 (en) | SIGNAL TRANSMISSION METHOD AND RELATED APPARATUS | |
EP4098049A4 (en) | METHOD AND DEVICES FOR REFERENCE SIGNAL ASSOCIATIONS | |
EP4105685A4 (en) | SIGNAL PROCESSING METHOD AND APPARATUS | |
EP4184797A4 (en) | SIGNAL PROCESSING METHOD AND APPARATUS | |
EP4120778A4 (en) | METHOD AND DEVICE FOR TRANSMITTING A REFERENCE SIGNAL | |
EP4105689A4 (en) | SIGNALING METHOD AND RELATED APPARATUS | |
EP4145782A4 (en) | SIGNAL TRANSMISSION METHOD AND APPARATUS | |
EP4117344A4 (en) | SIGNAL TRANSMITTING METHOD AND APPARATUS | |
EP4246953A4 (en) | CONFIGURATION METHOD AND APPARATUS | |
EP4199618A4 (en) | REFERENCE SIGNAL TRANSMISSION METHOD AND APPARATUS | |
EP4171098A4 (en) | CONFIGURATION METHOD AND APPARATUS | |
EP4236513A4 (en) | SIGNAL PROCESSING METHOD AND APPARATUS |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20220921 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: H04L0025490000 Ipc: H04B0010500000 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20230627 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04L 25/03 20060101ALI20230621BHEP Ipc: H04B 10/079 20130101ALI20230621BHEP Ipc: H04L 27/36 20060101ALI20230621BHEP Ipc: H04B 10/61 20130101ALI20230621BHEP Ipc: H04B 10/50 20130101AFI20230621BHEP |